Now I feel stupid. I measured 3V. As soon as I saw that I knew something was up. It was coming from my MCU that was connected via a jumper that I know I disconnected. Must have been that ghost that connected it back up, that hangs around here and causes trouble.

Now I feel stupid. I measured 3V. As soon as I saw that I knew something was up. It was coming from my MCU that was connected via a jumper that I know I disconnected. Must have been that ghost that connected it back up, that hangs around here and causes trouble.

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Poltergeists that move things, and micro Black Holes (that cause small objects to disappear as soon as the hit the floor) are very common in any electronics lab.